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Integrated analysis of hepatic miRNA and mRNA expression profiles in the spontaneous recovery of liver fibrosis [mRNA]

ABSTRACT: Liver fibrosis, results from the imbalance between extracellular matrix (ECM) production and degradation, is a common pathological consequence of various chronic liver diseases. Although a large number of miRNAs have been reported in liver fibrosis progression, miRNA-mRNA interactions involved in its reversal process remain to be fully elucidated. In the current study, we performed an integrated analysis of miRNA and mRNA expression profiles in a hepatic fibrosis recovery mouse model induced by thioacetamide. A total of 102 miRNA and 2,845 mRNAs showed significant differential expression in recovery mice compared to fibrotic mice. Moreover, 3,769 putative negatively correlated miRNA-mRNA pairs were revealed to be potentially implicated in the biological function regulation of small molecule metabolism and ECM organization. By integrating miRNA-mRNA regulatory networks, mmu-miR-1843a-5p, mmu-miR-193a-5p, mmu-miR-194-2-3p and mmu-miR-30c-2-3p were identified as lysyl oxidase-specific miRNAs that were associated with the pathogenesis of fibrosis recovery. Our results provide potential novel biomarkers and candidate targets for the treatment of liver fibrosis.

ORGANISM(S): Mus musculus

PROVIDER: GSE173961 | GEO | 2022/04/26

REPOSITORIES: GEO

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Integrated analysis of hepatic miRNA and mRNA expression profiles in the spontaneous recovery of liver fibrosis [miRNA]

Project description:Liver fibrosis, results from the imbalance between extracellular matrix (ECM) production and degradation, is a common pathological consequence of various chronic liver diseases. Although a large number of miRNAs have been reported in liver fibrosis progression, miRNA-mRNA interactions involved in its reversal process remain to be fully elucidated. In the current study, we performed an integrated analysis of miRNA and mRNA expression profiles in a hepatic fibrosis recovery mouse model induced by thioacetamide. A total of 102 miRNA and 2,845 mRNAs showed significant differential expression in recovery mice compared to fibrotic mice. Moreover, 3,769 putative negatively correlated miRNA-mRNA pairs were revealed to be potentially implicated in the biological function regulation of small molecule metabolism and ECM organization. By integrating miRNA-mRNA regulatory networks, mmu-miR-1843a-5p, mmu-miR-193a-5p, mmu-miR-194-2-3p and mmu-miR-30c-2-3p were identified as lysyl oxidase-specific miRNAs that were associated with the pathogenesis of fibrosis recovery. Our results provide potential novel biomarkers and candidate targets for the treatment of liver fibrosis.

2022-04-26 | GSE173456 | GEO

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2021-06-28 | GSE137100 | GEO

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Atrial appendage miRNA-seq in non-, paroxysmal and persistent atrial fibrillation

Project description:MiRNAs regulate posttranscriptional gene expression and are widely implicated in the pathogenesis of complex diseases. We aim to elucidate miRNA regulation of the atrial mRNA signatures that associate with AF. This may provide novel mechanistical insights and candidate targets for therapies using miRNA mimics or antimiRs. We present combined miRNAs-mRNAs sequencing in atrial tissues of patient without AF (n=22), with paroxysmal AF (n=22) and with persistent AF (n=20). MiRNA and mRNA signatures followed an ordinal scale from nonAF to paroxysmal to persistent AF patients. The previously reported mRNA sequencing identified 5228 differentially expressed genes involved in epithelial to mesenchymal transition, endothelial cell proliferation and extracellular matrix remodelling involving collagens, glycoproteins and proteoglycans. We discovered 103 differentially expressed miRNAs. Key downregulated miRNAs included miR-135b-5p, miR-138-5p, miR-200a-3p, miR-200b-3p and miR-31-5p and key upregulated miRNAs were miR-144-3p, miR-15b-3p, miR-182-5p miR-18b-5p, miR-4306 and miR-206. The expression levels of differentially expressed miRNAs were negatively correlated with the expression levels of their predicted target mRNAs. The downregulated miRNAs demonstrated a more profound transcriptome effect than the upregulated miRNAs. Upregulated biological processes enriched in miRNAs targets related to epithelial and endothelial cell migration and glycosaminoglycan biosynthesis, in line with the processes discovered by the mRNA sequencing analysis. Combined analysis of miRNA and mRNA sequencing uncovered miRNAs with a broad transcriptional effect in human AF. Epithelial to mesenchymal transition and endothelial cell proliferation were processes controlled by downregulated miR-135b-5p, miR-138-5p, miR-200a-3p, miR-200b-3p and miR-31-5p, which in turn may contribute to (myo)fibroblast activation and structural remodeling.\

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RNA-seq expression analysis of mouse liver treated with locked nucleic acids (LNAs) that inhibit mmu-miR-802-5p and mmu-miR-1948-5p

Project description:Total RNA-seq analysis of mouse liver following LNA treatment in vivo to identify mRNA targets of mmu-miR-802-5p and mmu-miR-1948-5p.

2018-01-25 | GSE103880 | GEO

Skin treatment with non-thermal plasma modulates the immune system through miR-223-3p and its target genes

Project description:Non-thermal plasma, a partially ionized gas, holds significant potential for clinical applications, including wound healing support, oral therapies, and anti-tumour treatments. While its applications shown promising outcomes, the underlying molecular mechanisms remain incompletely understood. We thus applied non-thermal plasma to mouse auricular skin and conducted non-coding RNA sequencing, as well as single-cell blood sequencing. In a time-series analysis (5 time points spanning 2 hours), we compared the expression of microRNAs in the plasma-treated left ears to the unexposed right ears of the same mice as well as to the ears of unexposed control mice. Our findings indicate specific effects in the treated ears for a set of five miRNAs: mmu-miR-144-5p, mmu-miR-144-3p, mmu-miR-142a-5p, mmu-miR-223-3p, and mmu-miR-451a. Interestingly, miR-223-3p also exhibited an increase over time in the right non-treated ear of the exposed mice, suggesting systemic effects. Notably, this miRNA, along with mmu-miR-142a-5p and mmu-miR-144-3p, regulates genes and pathways associated with wound healing and tissue regeneration (namely ErbB, FoxO, Hippo, and PI3K-Akt signalling). This co-regulation is particularly remarkable considering the significant seed dissimilarities among the miRNAs. Finally, single blood cell sequencing revealed the downregulation of 12 from 15 target genes in B-cells, Cd4+ and Cd8+ T-cells. Collectively, our data provide evidence for a systemic effect of non-thermal plasma.

2023-07-12 | GSE236801 | GEO

Skin treatment with non-thermal plasma modulates the immune system through miR-223-3p and its target genes

2023-07-12 | GSE236788 | GEO

Skin treatment with non-thermal plasma modulates the immune system through miR-223-3p and its target genes

Project description:This SuperSeries is composed of the SubSeries listed below. Non-thermal plasma, a partially ionized gas, holds significant potential for clinical applications, including wound-healing support, oral therapies, and anti-tumour treatments. While its applications showed promising outcomes, the underlying molecular mechanisms remain incompletely understood. We thus apply non-thermal plasma to mouse auricular skin and conducted non-coding RNA sequencing, as well as single-cell blood sequencing. In a time-series analysis (five timepoints spanning 2 hours), we compare the expression of microRNAs in the plasma-treated left ears to the unexposed right ears of the same mice as well as to the ears of unexposed control mice. Our findings indicate specific effects in the treated ears for a set of five miRNAs: mmu-miR-144-5p, mmu-miR-144-3p, mmu-miR-142a-5p, mmu-miR-223-3p, and mmu-miR-451a. Interestingly, mmu-miR-223-3p also exhibits an increase over time in the right non-treated ear of the exposed mice, suggesting systemic effects. Notably, this miRNA, along with mmu-miR-142a-5p and mmu-miR-144-3p, regulates genes and pathways associated with wound healing and tissue regeneration (namely ErbB, FoxO, Hippo, and PI3K-Akt signalling). This co-regulation is particularly remarkable considering the significant seed dissimilarities among the miRNAs. Finally, single-cell sequencing of PBMCs reveals the downregulation of 12 from 15 target genes in B-cells, Cd4+ and Cd8+ T-cells. Collectively, our data provide evidence for a systemic effect of non-thermal plasma.

2023-07-12 | GSE236802 | GEO

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